Toyota RAV4 (XA40) 2013-2018 Service Manual: Multiplex communication circuit
Description
The air conditioning amplifier communicates data with the ecm and combination meter through the can communication system.
Wiring diagram
Inspection procedure
- Check dtc
- Clear the dtc (see page ac-31).
- Read the dtc (see page ac-31).
Result 
Go to can communication system
Bus ic communication malfunction
Description
The air conditioning harness connects the air conditioning amplifier and the
servos. The air conditioning
amplifier supplies power and sends operation instructions to each servo th ...
Air conditioning control panel does not operate
Description
This circuit consists of the air conditioning control and the air
conditioning amplifier. When the air
conditioning control is operated, signals are transmitted to the air
conditioni ...
Other materials:
Driver side - side airbag sensor assembly initialization incomplete
Description
The side airbag sensor lh consists of part including the diagnostic circuit
and the lateral deceleration
sensor.
When the center airbag sensor receives signals from the lateral deceleration
sensor, it determines
whether or not the srs should be activated.
Dtc b1623/81, b ...
System check
Hint:
Performing a system check enables the system,
which consists of multiple actuators, to be operated
without removing any parts. In addition, it can show
whether or not any dtcs are set, and can detect
potential malfunctions in the system. The system
check can be performed with the intelli ...
Instrument panel
Engine switch
Starting the engine/changing the modes
Emergency stop of the engine
When the engine will not start
Warning messages*1
Shift lever
Changing the shift position
Precautions against towing
When the shift lever does not move
Meters
Reading the meters/adjusting the instrument pa ...
